# What is ocw: Definition and 13 Discussions

MIT OpenCourseWare (MIT OCW) is an initiative of the Massachusetts Institute of Technology (MIT) to publish all of the educational materials from its undergraduate- and graduate-level courses online, freely and openly available to anyone, anywhere. The project was announced on April 4, 2001, and uses Creative Commons Attribution-NonCommercial-ShareAlike license. The program was originally funded by the William and Flora Hewlett Foundation, the Andrew W. Mellon Foundation, and MIT. Currently, MIT OpenCourseWare is supported by MIT, corporate underwriting, major gifts, and donations from site visitors. The initiative inspired a number of other institutions to make their course materials available as open educational resources.As of May 2018, over 2,400 courses were available online. While a few of these were limited to chronological reading lists and discussion topics, a majority provided homework problems and exams (often with solutions) and lecture notes. Some courses also included interactive web demonstrations in Java, complete textbooks written by MIT professors, and streaming video lectures.
As of May 2018, 100 courses included complete video lectures. The videos were available in streaming mode, but could also be downloaded for viewing offline. All video and audio files were also available from YouTube, iTunes U and the Internet Archive.

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1. ### MIT OCW, 8.02 Electromagnetism: Potential for an Electric Dipole

Here is a depiction of the problem a) The potential at any point P due to a charge q is given by ##\frac{kq}{r}=\frac{kq}{\lvert \vec{r}_s-\vec{r}_P \rvert}##, where ##r## is the distance from the charge to point P, which is the length of the vector difference between ##\vec{r}_s##, the...
2. ### MIT OCW, 8.02, Electromagnetism: Charged Cylindrical Shell

Here is figure 2.16.6 Here is the picture I drew to set up the problem My first question is if the reasoning and integrals are correct. I used Maple to compute the three integrals. The first two result in 0, which makes sense by symmetry. Maple can't seem to solve the last integral.
3. ### Studying How many exercises should I do after each math lecture? (Calc 1/2)

Hello, I am currently self studying MIT 18.01 in my technical college, having just finished watching the 3rd lecture. I do my best doing the assignments and pre-reading of every lecture. I find the lectures by professor Jerison to be really rich and intuitive, and I write down loads of notes...
4. ### Courses Question about studying Thermodynamics via the MIT online lectures

Hello, Following previous advice for self studying, I am now looking at the physics curriculum of MIT through this link. http://catalog.mit.edu/subjects/8/ But at first I didn't find a course for thermodynamics, for the Phys I/II/III courses of the list don't provide it. Then I found that...
5. ### MIT OCW 8.02 Electromagnetism: how were these two limits calculated?

I know what the answers are, because this is all part of the notes from MIT OCW's 8.02 Electromagnetism course. In case you want to see the actual problem, it is example 2.3 that starts on page 18; the limits I am asking about are on page 20. How do I go about calculating the limits? Ie, what...
6. ### Measurement Uncertainty Problem in MIT OCW 8.01x

Homework Statement What's the answer to (0.781±0.002)/(0.551±0.002)? Well, here is the answer (1.417±0.008) that professor Walter Lewin said in one of his videos. I checked this in an online uncertainty calculator and it turned out 1.417±0.006. Homework Equations n/a The Attempt at a...
7. ### Need suggestion on an MIT OCW material

Hi i would be glad if someone can help me on this. I am having a bit of trouble in understanding why the upper limit of integration over "r" is infinity in the MIT open course material on Electric field page #16 by Prof Markus Zahn (material attached as a link to the pdf). Please help. Thanks...
8. ### Exploring Tensor Concepts with MIT OCW Courses

Hello, I am working through the MIT OCW courses 8.01 and 8.012. At my university we already learned about tensors in the first mechanics course but I don't really understand them completely. Therefore I am searching for some MIT OCW course that covers tensors. I'd be glad at any help. Apart...
9. ### Confusion to the solution of a MIT ocw problem

Homework Statement My snipping tool is totally broken. So I'm going to leave a link :x It's problem 1.6 http://ocw.mit.edu/courses/physics/8-02-electricity-and-magnetism-spring-2002/assignments/ps1a.pdf Homework Equations E_{sheet}=\frac{σ}{2ε_{0}} E_{slab}=\frac{ρD}{2ε_{0}}...
10. ### MIT Physics Challenge Problems (OCW)

MIT Physics "Challenge Problems" (OCW) I had a question for anyone who is familiar with MIT and their OCW. I like to use their content to compliment my studies, but I feel some of their challenge problems are quite difficult. I am curious, are those challenge problems something they expect...
11. ### Is the Velocity of a Multistage Rocket Really Lower than a Single Stage Rocket?

The result found in problem 7.1 says that the velocity of the two stage rocket(v1 in the derivation in the link below) < velocity of a single stage rocket(v2). Am i misinterpreting the results since I thought that the purpose of a multistage rocket was to attain higher terminal velocities. If...
12. ### Self-study, good textbook choices? from MIT OCW

Self-study, good textbook choices? I'm getting kind of bored with my courses atm, so I'm looking for additional math course to study. Textbooks are by DeGroot and Feller, would these textbooks be okay? I don't want to just trust the reviews on Amazon but a lot of them seem to discourage...
13. ### Solving MIT OCW Problem with A Matrix

I found this problem on the MIT OpenCourseWare website, but a solution was not given. I tried it out, so I was wondering if my answer is correct. The problem is as follows: ---------------------------------------------------------- Suppose A is reduced by the usual row operations to...